//LED button code, turns on the led once the button is toggeled
// Murad Saadeh
// 22/4/2017
#include <SoftwareSerial.h>   

SoftwareSerial mySerial(9, 7); // RX, TX
#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the arduino pin number it is connected to
const int rs = 10, en = 8, d4 = 3, d5 = 2, d6 = 1, d7 = 0;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);


char serialData;


// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.

  mySerial.begin(4800);
lcd.begin(16, 2);

}

// the loop routine runs over and over again forever:
void loop() {


    if (mySerial.available()) {
      serialData = mySerial.read();
      mySerial.print(serialData);


      if (serialData == 'a')

    {
     lcd.print("A");   // turn the LED on (HIGH is the voltage level)

     }
          if (serialData == 'b' )
    {
    lcd.print("B");   // turn the LED off by making the voltage LOW

    } 
    if (serialData == 'c')

    {
     lcd.print("C");   // turn the LED on (HIGH is the voltage level)

     }
          if (serialData == 'd' )
    {
    lcd.print("D");   // turn the LED off by making the voltage LOW

    }     
}
}